<li>
  <span class="content"><%= micropost.content %></span>
  <span class="timestamp">
    发布于 <%= time_ago_in_words(micropost.created_at) %> ago.
  </span>


  <% if current_user?(micropost.user) %>
      <%= htmlLink_for_del_micropost(micropost) %>
  <% end %>
</li>